import java.util.Scanner;

public class FitnessActivitySwitch {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        System.out.print("请输入星期数 (1-7): ");
        int day = scanner.nextInt();

        String activity;
        switch (day) {
            case 1:
                activity = "跑步";
                break;
            case 2:
                activity = "游泳";
                break;
            case 3:
                activity = "慢走";
                break;
            case 4:
                activity = "动感单车";
                break;
            case 5:
                activity = "拳击";
                break;
            case 6:
                activity = "爬山";
                break;
            case 7:
                activity = "好好吃一顿";
                break;
            default:
                activity = "无效的输入";
                break;
        }

        System.out.println("今天的减肥活动是: " + activity);
    }
}
